Nikon D810 User Manual
Page 491
467
F
No lens attached, or
non-CPU lens attached
without specifying
maximum aperture.
Aperture shown in
stops from maximum
aperture.
Aperture value will be
displayed if maximum
aperture is specified.
—
F H
(flashes)
Camera unable to focus
using autofocus.
Change composition or
focus manually.
(Exposure
indicators and
shutter speed or
aperture display
flash)
Subject too bright;
photo will be
overexposed.
• Use a lower ISO
sensitivity.
• Use optional ND filter.
In exposure mode:
f Increase shutter
speed
g Choose a smaller
aperture (higher
f-number)
Subject too dark; photo
will be underexposed.
• Use a higher ISO
sensitivity.
• Use flash. In exposure
mode:
f Lower shutter speed 119
g Choose a larger
aperture (lower
f-number)
Indicator
Problem
Solution
0
Control
panel
View-
finder